Question

What are the $7$ fundamental quantities and their units?

Answer 1

Fundamental quantities

1. Fundamental quantities are independent physical quantities that are not possible to be expressed in terms of any other physical quantity.
2. These quantities are used to derive all other physical quantities.
3. The $7$ fundamental quantities in SI system are:

Fundamental Quantity	Unit	Symbol
Time	second	$s$
Mass	kilogram	$kg$
Length	meter	$m$
Current	ampere	$A$
Temperature	kelvin	$K$
Amount of substance	mole	$mol$
Luminous intensity	candela	$cd$